Inness (the best American painter of Nature in her moods of real
human feeling) once said, "No man can do anything in art, unless he
has intuitions; but, between whiles, one must work hard in collecting
the materials out of which intuitions are made." The truth could not
be hit off better. Knowledge is the soil, and intuitions are the
flowers which grow up out of it. The soil must be well enriched and
worked.

It is very plain, or will be to those who read these papers, now
gathered up into this book, as into a chariot for a race, that the
author has long employed his eyes, his ears, and his understanding,
in observing and considering the facts of Nature, and in weaving
curious analogies. Being an editor of one of the oldest daily news-
papers in New England, and obliged to fill its columns day after day
(as the village mill is obliged to render every day so many sacks of
flour or of meal to its hungry customers), it naturally occurred to
him, "Why not w